18510180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1293

約数の個数: 96

約数和(自身を含む): 58800000

約数和(自身を除く): 40289820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1249, 1482, 2470, 2498, 2964, 3705, 3747, 4940, 4996, 6245, 7410, 7494, 12490, 14820, 14988, 16237, 18735, 23731, 24980, 32474, 37470, 47462, 48711, 64948, 71193, 74940, 81185, 94924, 97422, 118655, 142386, 162370, 194844, 237310, 243555, 284772, 308503, 324740, 355965, 474620, 487110, 617006, 711930, 925509, 974220, 1234012, 1423860, 1542515, 1851018, 3085030, 3702036, 4627545, 6170060, 9255090, 18510180]

約数ペア:

[(1, 18510180), (2, 9255090), (3, 6170060), (4, 4627545), (5, 3702036), (6, 3085030), (10, 1851018), (12, 1542515), (13, 1423860), (15, 1234012), (19, 974220), (20, 925509), (26, 711930), (30, 617006), (38, 487110), (39, 474620), (52, 355965), (57, 324740), (60, 308503), (65, 284772), (76, 243555), (78, 237310), (95, 194844), (114, 162370), (130, 142386), (156, 118655), (190, 97422), (195, 94924), (228, 81185), (247, 74940), (260, 71193), (285, 64948), (380, 48711), (390, 47462), (494, 37470), (570, 32474), (741, 24980), (780, 23731), (988, 18735), (1140, 16237), (1235, 14988), (1249, 14820), (1482, 12490), (2470, 7494), (2498, 7410), (2964, 6245), (3705, 4996), (3747, 4940)]